

Preparing your view.


At a glance
Measured figures
with stock extended
Single sourcewith stock retracted
Single sourceConfiguration
| Specification | APS underwater rifle | LMT Modular Ambidextrous Rifle System |
|---|---|---|
| Type | Underwater Assault rifle[source] | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type |
| Place of origin | Soviet Union[source] | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin |
| In service | 1975–present[source] | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service |
840 mm with stock extended 620 mm with stock retracted[source]
LMT Modular Ambidextrous Rifle System · Length · "Maximum"
Single source914 mm (36.0 in) ("Maximum")[source]LMT Modular Ambidextrous Rifle System · Length
Effective; at depth · source measurement 1
Single sourceEffective; at depth · source measurement 11
Single sourceEffective; at depth · source measurement 3
Single sourceEffective; at depth · source measurement 5
Single sourceEffective; at depth · source measurement 7
Single sourceEffective; at depth · source measurement 9
Single sourceEffective; Effective firing range · source measurement 10
Single sourceEffective; Effective firing range · source measurement 12
Single sourceEffective; Effective firing range · source measurement 2
Single sourceEffective; Effective firing range · source measurement 4
Single sourceEffective; Effective firing range · source measurement 6
Single sourceEffective; Effective firing range · source measurement 8
Single sourceMaximum; in the air
Single source30 m at depth 5 m (98 ft at depth 16 ft) 20 m at depth 20 m (66 ft at depth 66 ft) 11 m at depth 40 m (36 ft at depth 131 ft)[source]
100 m in the air[source]
Barrel length
Single source300 mm[source]
L129A2 exact named variant; not a sibling record · Barrel length
Single sourceStgw 25 exact named variant; not a sibling record · Barrel length
Single sourceStgw 25K exact named variant; not a sibling record · Barrel length
Single source18 in (457 mm)[source]L129A2 exact named variant; not a sibling record
16 in (406 mm)[source]Stgw 25 exact named variant; not a sibling record
12 in (305 mm)[source]Stgw 25K exact named variant; not a sibling record
on land
Single source600 rounds per minute (on land)[source]
on land
Single source340–360 meter per second (on land)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Designer |
|---|
Vladimir Simonov[source] |
Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer |
| Designed | 1970s[source] | — |
|---|
| Manufacturer | Tula Arms Plant , TsNIITochMash[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer |
|---|
| Produced | 1975–present[source] | — |
|---|
| Cartridge | 5.66×39mm MPS with 5.66×120mm steel darts and tracer MPST[source] | 5.56×45mm NATO 7.62×51mm NATO 6.5mm Creedmoor[source]LMT Modular Ambidextrous Rifle System · Cartridge The MARS-L (light) assault rifle variants are chambered for the 5.56×45mm NATO intermediate cartridge , and the MARS-H (heavy) battle rifle and designated marksman rifle variants for the 7.62×51mm NATO , 6.5 mm Creedmoor or similar fully powered cartridges .[source]Design · explicit MARS-L/MARS-H cartridge scope MARS-H based designated marksman variant, chambered in 6.5 mm Creedmoor .[source]L129A2 · explicit MARS-L/MARS-H cartridge scope Swiss MARS-H-based designated marksman rifle chambered in 7.62×51mm NATO.[source]7.62mm Zf Stgw 20 · explicit MARS-L/MARS-H cartridge scope LMT's MRGG-A is a member of its Modular Ambidextrous Rifle System-Heavy (MARS-H) family, which are commonly described as AR-10-style rifles, but is chambered to fire the 6.5mm Creedmoor round.[source]MK24 Mid-Range Gas Gun-Assault · explicit MARS-L/MARS-H cartridge scope |
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| Action | Gas actuated[source] | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action |
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| Feed system | 26-round detachable Magazine[source] | 5.56×45mm NATO : 30-round detachable box magazine 7.62×51mm NATO 20-round detachable box magazine[source]LMT Modular Ambidextrous Rifle System · Feed system |
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| Reported operators |
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